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Six multiplex-compatible PCR primers were designed to distinguish Streptococcus pneumoniae serotypes within serogroup 18 from culturable/nonculturable pneumococcal specimens, with no cross-reactivity with other serotypes and respiratory organisms. These primers will aid in the generation of better data on vaccine/nonvaccine serotypes in invasive and carriage pneumococcal surveillance and contribute to future vaccine formulation and impact studies.

An increase in the incidence of empyema worldwide could be related to invasive pneumococcal disease caused by emergent nonvaccine replacement serotypes. To determine bacterial pathogens and pneumococcal serotypes that cause empyema in children in Aus...

Since nasopharyngeal carriage of pneumococcus precedes invasive pneumococcal disease, characteristics of carriage isolates could be incorrectly assumed to reflect those of invasive isolates. While most pneumococci express a capsular polysaccharide, n...

Centers for Disease Control and Prevention (U.S.); World Health Organization;

Published:

01 DEC 2011

Description:

"The first edition has the WHO reference WHO/CDS/CSR/EDC/99.7: Laboratory Methods for the Diagnosis of Meningitis caused by Neisseria meningitidis, Streptococcus pneumoniae, and Haemophilus influenzae, http://whqlibdoc.who.int/hq/1999/WHO_CDS_CSR_EDC...

We performed culture-based and PCR-based tests for pneumococcal identification and serotyping from carriage specimens collected in rural and urban Kenya. Nasopharyngeal specimens from 237 healthy children <5 years old (C-NPs) and combined nasopharyng...

Pediatric parapneumonic empyema (PPE) has been increasing in several countries including Spain. Streptococcus pneumoniae is a major PPE pathogen; however, antimicrobial pretreatment before pleural fluid (PF) sampling frequently results in negative di...